{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85657",
    "entityType": "User",
    "nonce": "0xca33c27e35a33b24a26371e9fe6919593cef6201f0d9c43ae095994b5aa4e408",
    "signature": "0xb3e2dfb71cdb0fe6284ca9023e6807810a114bc1158355917a76549ce84099987533807e795b2911fdee82bbd9a29683f14a7a33ed08cd14413ec158b94629261b",
    "signer": "0x9743F54B36f8256B8FF02dcE2dDC4Fe5DDD03Bdc",
    "userId": "1197405"
  }
}